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Today is the Highest Concentration of Atmospheric CO2 in Human History. 415 Parts Per Million. Last Time it Was This High, There Were Trees at the South Pole

16 May 2019, 19:30 UTC
Today is the Highest Concentration of Atmospheric CO2 in Human History. 415 Parts Per Million. Last Time it Was This High, There Were Trees at the South Pole
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By Evan Gough

Think about this for a minute: We humans and our emissions are helping turn back the climatological clock by 2 or 3 million years, possibly more. Not since that time, called the Pliocene Epoch, has the CO2 ppm risen above 400. Way back then, the CO2 helped keep the Earth’s temperature 2 to 3 degrees …
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The post Today is the Highest Concentration of Atmospheric CO2 in Human History. 415 Parts Per Million. Last Time it Was This High, There Were Trees at the South Pole appeared first on Universe Today.
Source:: Universe Today
The post <a href=https://www.universetoday.com/142221/today-is-the-highest-concentration-of-atmospheric-co2-in-human-history-415-parts-per-million-last-time-it-was-this-high-there-were-trees-at-the-south-pole/ target=_blank >Today is the Highest Concentration of Atmospheric CO2 in Human History. 415 Parts Per Million. Last Time it Was This High, There Were Trees at the South Pole</a> appeared first on RASC Hamilton.

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